DeeceyArt posted at 12:04 PM Fri, 20 October 2023 - #4476549

Y-Phil posted at 2:00 AM Fri, 20 October 2023 - #4476532

DeeceyArt posted at 4:58 PM Thu, 19 October 2023 - #4476529

It's cool that the vascularity thread has inspired people to experiment with Poser's material layers. Loving it!  That looks great!

I have to say that I have difficulties to use efficiently PrincipledBSDF's specularity for the skin, I largely prefer a second skin with an AnisotropicBSDF, to the point that my toolbox has a dedicated function:

I'm thinking Principled BSDF probably utilizes Roughness instead of Specular.   Roughness is sort of a combination of specular and gloss. In Specular, white areas are shiny. In Roughness, black areas are shiniest. 

Perhaps this link in Blender exchange might help?

https://blender.stackexchange.com/questions/13600/how-to-add-a-specularity-map-in-cycles

From what I've understood till now: indeed increasing the roughness tends to lower the "power" of the specular effect (not sure this is the right word) but I find the AnisotropicBsdf in the second layer is creating smoother effect, as if it was less concentrated on narrow place, compared to the specular effect.
Snce Poser13, I was back to using PBSDF's Specular, but since the last iteration, and since I don't use the legacy scatter, and I use the "Random Walk" os the SSS method, I prefer the Anisotropy node to the PBSDF's Specular.
And that was what I was using at the time of Poser12, the part of my toolbox devoted to this date from Poser12, precisely.
During a moment, on the second layer, I was even using the GlossyBsdf node, but I then preferred the AnisotropicBsdf

I'm by no way a specialist, I just like to experiment, more or less randomly depending on what I find online.

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